Home / 236,432.10-354,648.15-147,785.70

Finding the Fourth Proportional to 236,432.10, 354,648.15 and 147,785.70

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Solution

The fourth proportional to 236,432.10, 354,648.15 and 147,785.70 is: 221,678.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,432.10 : 354,648.15 = 147,785.70 : x
  2. Step 2: Convert to fraction form
    236,432.10/354,648.15 = 147,785.70/x
  3. Step 3: Cross multiply
    236,432.10x = 354,648.15 × 147,785.70
  4. Step 4: Simplify right side
    236,432.10x = 52,411,925,101.46
  5. Step 5: Solve for x
    x = 52,411,925,101.46/236,432.10
  6. Step 6: Final answer
    x = 221,678.55

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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.