Home / 127,762.91-176,316.45-71,177.93

Finding the Fourth Proportional to 127,762.91, 176,316.45 and 71,177.93

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Solution

The fourth proportional to 127,762.91, 176,316.45 and 71,177.93 is: 98,227.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,762.91 : 176,316.45 = 71,177.93 : x
  2. Step 2: Convert to fraction form
    127,762.91/176,316.45 = 71,177.93/x
  3. Step 3: Cross multiply
    127,762.91x = 176,316.45 × 71,177.93
  4. Step 4: Simplify right side
    127,762.91x = 12,549,839,054.37
  5. Step 5: Solve for x
    x = 12,549,839,054.37/127,762.91
  6. Step 6: Final answer
    x = 98,227.56

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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.