Home / 129,597.12-177,677.64-127,235.16

Finding the Fourth Proportional to 129,597.12, 177,677.64 and 127,235.16

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Solution

The fourth proportional to 129,597.12, 177,677.64 and 127,235.16 is: 174,439.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,597.12 : 177,677.64 = 127,235.16 : x
  2. Step 2: Convert to fraction form
    129,597.12/177,677.64 = 127,235.16/x
  3. Step 3: Cross multiply
    129,597.12x = 177,677.64 × 127,235.16
  4. Step 4: Simplify right side
    129,597.12x = 22,606,842,953.82
  5. Step 5: Solve for x
    x = 22,606,842,953.82/129,597.12
  6. Step 6: Final answer
    x = 174,439.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.