Home / 121,727.10-182,590.65-38,621.10

Finding the Fourth Proportional to 121,727.10, 182,590.65 and 38,621.10

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Solution

The fourth proportional to 121,727.10, 182,590.65 and 38,621.10 is: 57,931.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,727.10 : 182,590.65 = 38,621.10 : x
  2. Step 2: Convert to fraction form
    121,727.10/182,590.65 = 38,621.10/x
  3. Step 3: Cross multiply
    121,727.10x = 182,590.65 × 38,621.10
  4. Step 4: Simplify right side
    121,727.10x = 7,051,851,752.72
  5. Step 5: Solve for x
    x = 7,051,851,752.72/121,727.10
  6. Step 6: Final answer
    x = 57,931.65

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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.