Home / 127,428.18-175,835.50-70,058.04

Finding the Fourth Proportional to 127,428.18, 175,835.50 and 70,058.04

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Solution

The fourth proportional to 127,428.18, 175,835.50 and 70,058.04 is: 96,671.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,428.18 : 175,835.50 = 70,058.04 : x
  2. Step 2: Convert to fraction form
    127,428.18/175,835.50 = 70,058.04/x
  3. Step 3: Cross multiply
    127,428.18x = 175,835.50 × 70,058.04
  4. Step 4: Simplify right side
    127,428.18x = 12,318,690,492.42
  5. Step 5: Solve for x
    x = 12,318,690,492.42/127,428.18
  6. Step 6: Final answer
    x = 96,671.63

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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.