Home / 215,306.32-297,269.04-134,766.40

Finding the Fourth Proportional to 215,306.32, 297,269.04 and 134,766.40

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Solution

The fourth proportional to 215,306.32, 297,269.04 and 134,766.40 is: 186,069.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,306.32 : 297,269.04 = 134,766.40 : x
  2. Step 2: Convert to fraction form
    215,306.32/297,269.04 = 134,766.40/x
  3. Step 3: Cross multiply
    215,306.32x = 297,269.04 × 134,766.40
  4. Step 4: Simplify right side
    215,306.32x = 40,061,878,352.26
  5. Step 5: Solve for x
    x = 40,061,878,352.26/215,306.32
  6. Step 6: Final answer
    x = 186,069.22

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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.