Home / 175,520.19-242,140.95-102,886.28

Finding the Fourth Proportional to 175,520.19, 242,140.95 and 102,886.28

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Solution

The fourth proportional to 175,520.19, 242,140.95 and 102,886.28 is: 141,937.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,520.19 : 242,140.95 = 102,886.28 : x
  2. Step 2: Convert to fraction form
    175,520.19/242,140.95 = 102,886.28/x
  3. Step 3: Cross multiply
    175,520.19x = 242,140.95 × 102,886.28
  4. Step 4: Simplify right side
    175,520.19x = 24,912,980,370.46
  5. Step 5: Solve for x
    x = 24,912,980,370.46/175,520.19
  6. Step 6: Final answer
    x = 141,937.98

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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.