Home / 282,248.85-389,500.12-153,187.55

Finding the Fourth Proportional to 282,248.85, 389,500.12 and 153,187.55

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Solution

The fourth proportional to 282,248.85, 389,500.12 and 153,187.55 is: 211,397.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,248.85 : 389,500.12 = 153,187.55 : x
  2. Step 2: Convert to fraction form
    282,248.85/389,500.12 = 153,187.55/x
  3. Step 3: Cross multiply
    282,248.85x = 389,500.12 × 153,187.55
  4. Step 4: Simplify right side
    282,248.85x = 59,666,570,572.21
  5. Step 5: Solve for x
    x = 59,666,570,572.21/282,248.85
  6. Step 6: Final answer
    x = 211,397.03

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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.