Home / 220,877.52-304,446.96-156,263.28

Finding the Fourth Proportional to 220,877.52, 304,446.96 and 156,263.28

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Solution

The fourth proportional to 220,877.52, 304,446.96 and 156,263.28 is: 215,385.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,877.52 : 304,446.96 = 156,263.28 : x
  2. Step 2: Convert to fraction form
    220,877.52/304,446.96 = 156,263.28/x
  3. Step 3: Cross multiply
    220,877.52x = 304,446.96 × 156,263.28
  4. Step 4: Simplify right side
    220,877.52x = 47,573,880,555.63
  5. Step 5: Solve for x
    x = 47,573,880,555.63/220,877.52
  6. Step 6: Final answer
    x = 215,385.80

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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.