Home / 170,419.40-235,168.05-93,934.28

Finding the Fourth Proportional to 170,419.40, 235,168.05 and 93,934.28

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Solution

The fourth proportional to 170,419.40, 235,168.05 and 93,934.28 is: 129,623.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,419.40 : 235,168.05 = 93,934.28 : x
  2. Step 2: Convert to fraction form
    170,419.40/235,168.05 = 93,934.28/x
  3. Step 3: Cross multiply
    170,419.40x = 235,168.05 × 93,934.28
  4. Step 4: Simplify right side
    170,419.40x = 22,090,340,279.91
  5. Step 5: Solve for x
    x = 22,090,340,279.91/170,419.40
  6. Step 6: Final answer
    x = 129,623.39

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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.