Home / 292,637.12-438,869.10-124,155.32

Finding the Fourth Proportional to 292,637.12, 438,869.10 and 124,155.32

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Solution

The fourth proportional to 292,637.12, 438,869.10 and 124,155.32 is: 186,196.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,637.12 : 438,869.10 = 124,155.32 : x
  2. Step 2: Convert to fraction form
    292,637.12/438,869.10 = 124,155.32/x
  3. Step 3: Cross multiply
    292,637.12x = 438,869.10 × 124,155.32
  4. Step 4: Simplify right side
    292,637.12x = 54,487,933,548.61
  5. Step 5: Solve for x
    x = 54,487,933,548.61/292,637.12
  6. Step 6: Final answer
    x = 186,196.25

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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.