Home / 313,955.04-433,248.48-178,001.40

Finding the Fourth Proportional to 313,955.04, 433,248.48 and 178,001.40

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Solution

The fourth proportional to 313,955.04, 433,248.48 and 178,001.40 is: 245,636.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,955.04 : 433,248.48 = 178,001.40 : x
  2. Step 2: Convert to fraction form
    313,955.04/433,248.48 = 178,001.40/x
  3. Step 3: Cross multiply
    313,955.04x = 433,248.48 × 178,001.40
  4. Step 4: Simplify right side
    313,955.04x = 77,118,835,987.87
  5. Step 5: Solve for x
    x = 77,118,835,987.87/313,955.04
  6. Step 6: Final answer
    x = 245,636.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.