Home / 472,722.48-709,083.80-157,182.12

Finding the Fourth Proportional to 472,722.48, 709,083.80 and 157,182.12

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Solution

The fourth proportional to 472,722.48, 709,083.80 and 157,182.12 is: 235,773.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,722.48 : 709,083.80 = 157,182.12 : x
  2. Step 2: Convert to fraction form
    472,722.48/709,083.80 = 157,182.12/x
  3. Step 3: Cross multiply
    472,722.48x = 709,083.80 × 157,182.12
  4. Step 4: Simplify right side
    472,722.48x = 111,455,294,941.66
  5. Step 5: Solve for x
    x = 111,455,294,941.66/472,722.48
  6. Step 6: Final answer
    x = 235,773.21

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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.