Home / 147,294.02-203,265.78-83,641.52

Finding the Fourth Proportional to 147,294.02, 203,265.78 and 83,641.52

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Solution

The fourth proportional to 147,294.02, 203,265.78 and 83,641.52 is: 115,425.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,294.02 : 203,265.78 = 83,641.52 : x
  2. Step 2: Convert to fraction form
    147,294.02/203,265.78 = 83,641.52/x
  3. Step 3: Cross multiply
    147,294.02x = 203,265.78 × 83,641.52
  4. Step 4: Simplify right side
    147,294.02x = 17,001,458,803.19
  5. Step 5: Solve for x
    x = 17,001,458,803.19/147,294.02
  6. Step 6: Final answer
    x = 115,425.32

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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.