Home / 207,557.52-286,450.96-127,038.72

Finding the Fourth Proportional to 207,557.52, 286,450.96 and 127,038.72

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Solution

The fourth proportional to 207,557.52, 286,450.96 and 127,038.72 is: 175,326.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,557.52 : 286,450.96 = 127,038.72 : x
  2. Step 2: Convert to fraction form
    207,557.52/286,450.96 = 127,038.72/x
  3. Step 3: Cross multiply
    207,557.52x = 286,450.96 × 127,038.72
  4. Step 4: Simplify right side
    207,557.52x = 36,390,363,301.17
  5. Step 5: Solve for x
    x = 36,390,363,301.17/207,557.52
  6. Step 6: Final answer
    x = 175,326.64

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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.