Home / 153,354.72-229,725.74-121,818.18

Finding the Fourth Proportional to 153,354.72, 229,725.74 and 121,818.18

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Solution

The fourth proportional to 153,354.72, 229,725.74 and 121,818.18 is: 182,483.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,354.72 : 229,725.74 = 121,818.18 : x
  2. Step 2: Convert to fraction form
    153,354.72/229,725.74 = 121,818.18/x
  3. Step 3: Cross multiply
    153,354.72x = 229,725.74 × 121,818.18
  4. Step 4: Simplify right side
    153,354.72x = 27,984,771,545.95
  5. Step 5: Solve for x
    x = 27,984,771,545.95/153,354.72
  6. Step 6: Final answer
    x = 182,483.93

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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.