Home / 127,787.51-176,354.46-70,426.70

Finding the Fourth Proportional to 127,787.51, 176,354.46 and 70,426.70

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Solution

The fourth proportional to 127,787.51, 176,354.46 and 70,426.70 is: 97,193.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,787.51 : 176,354.46 = 70,426.70 : x
  2. Step 2: Convert to fraction form
    127,787.51/176,354.46 = 70,426.70/x
  3. Step 3: Cross multiply
    127,787.51x = 176,354.46 × 70,426.70
  4. Step 4: Simplify right side
    127,787.51x = 12,420,061,766.31
  5. Step 5: Solve for x
    x = 12,420,061,766.31/127,787.51
  6. Step 6: Final answer
    x = 97,193.08

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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.