Home / 145,907.16-218,860.98-83,534.52

Finding the Fourth Proportional to 145,907.16, 218,860.98 and 83,534.52

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Solution

The fourth proportional to 145,907.16, 218,860.98 and 83,534.52 is: 125,301.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,907.16 : 218,860.98 = 83,534.52 : x
  2. Step 2: Convert to fraction form
    145,907.16/218,860.98 = 83,534.52/x
  3. Step 3: Cross multiply
    145,907.16x = 218,860.98 × 83,534.52
  4. Step 4: Simplify right side
    145,907.16x = 18,282,446,911.03
  5. Step 5: Solve for x
    x = 18,282,446,911.03/145,907.16
  6. Step 6: Final answer
    x = 125,301.92

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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.