Home / 456,985.80-685,544.31-157,386.24

Finding the Fourth Proportional to 456,985.80, 685,544.31 and 157,386.24

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Solution

The fourth proportional to 456,985.80, 685,544.31 and 157,386.24 is: 236,101.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,985.80 : 685,544.31 = 157,386.24 : x
  2. Step 2: Convert to fraction form
    456,985.80/685,544.31 = 157,386.24/x
  3. Step 3: Cross multiply
    456,985.80x = 685,544.31 × 157,386.24
  4. Step 4: Simplify right side
    456,985.80x = 107,895,241,304.29
  5. Step 5: Solve for x
    x = 107,895,241,304.29/456,985.80
  6. Step 6: Final answer
    x = 236,101.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.