Home / 208,158.12-287,265.16-127,570.07

Finding the Fourth Proportional to 208,158.12, 287,265.16 and 127,570.07

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Solution

The fourth proportional to 208,158.12, 287,265.16 and 127,570.07 is: 176,050.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,158.12 : 287,265.16 = 127,570.07 : x
  2. Step 2: Convert to fraction form
    208,158.12/287,265.16 = 127,570.07/x
  3. Step 3: Cross multiply
    208,158.12x = 287,265.16 × 127,570.07
  4. Step 4: Simplify right side
    208,158.12x = 36,646,436,569.76
  5. Step 5: Solve for x
    x = 36,646,436,569.76/208,158.12
  6. Step 6: Final answer
    x = 176,050.96

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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.