Home / 282,349.17-389,642.10-153,287.55

Finding the Fourth Proportional to 282,349.17, 389,642.10 and 153,287.55

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Solution

The fourth proportional to 282,349.17, 389,642.10 and 153,287.55 is: 211,536.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,349.17 : 389,642.10 = 153,287.55 : x
  2. Step 2: Convert to fraction form
    282,349.17/389,642.10 = 153,287.55/x
  3. Step 3: Cross multiply
    282,349.17x = 389,642.10 × 153,287.55
  4. Step 4: Simplify right side
    282,349.17x = 59,727,282,885.86
  5. Step 5: Solve for x
    x = 59,727,282,885.86/282,349.17
  6. Step 6: Final answer
    x = 211,536.95

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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.