Home / 371,417.34-557,347.38-134,778.48

Finding the Fourth Proportional to 371,417.34, 557,347.38 and 134,778.48

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Solution

The fourth proportional to 371,417.34, 557,347.38 and 134,778.48 is: 202,248.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,417.34 : 557,347.38 = 134,778.48 : x
  2. Step 2: Convert to fraction form
    371,417.34/557,347.38 = 134,778.48/x
  3. Step 3: Cross multiply
    371,417.34x = 557,347.38 × 134,778.48
  4. Step 4: Simplify right side
    371,417.34x = 75,118,432,708.38
  5. Step 5: Solve for x
    x = 75,118,432,708.38/371,417.34
  6. Step 6: Final answer
    x = 202,248.05

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1.5x scale

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.