Home / 109,526.40-164,290.98-38,446.20

Finding the Fourth Proportional to 109,526.40, 164,290.98 and 38,446.20

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Solution

The fourth proportional to 109,526.40, 164,290.98 and 38,446.20 is: 57,669.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,526.40 : 164,290.98 = 38,446.20 : x
  2. Step 2: Convert to fraction form
    109,526.40/164,290.98 = 38,446.20/x
  3. Step 3: Cross multiply
    109,526.40x = 164,290.98 × 38,446.20
  4. Step 4: Simplify right side
    109,526.40x = 6,316,363,875.28
  5. Step 5: Solve for x
    x = 6,316,363,875.28/109,526.40
  6. Step 6: Final answer
    x = 57,669.78

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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.