Home / 139,253.49-192,070.56-127,805.34

Finding the Fourth Proportional to 139,253.49, 192,070.56 and 127,805.34

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Solution

The fourth proportional to 139,253.49, 192,070.56 and 127,805.34 is: 176,280.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,253.49 : 192,070.56 = 127,805.34 : x
  2. Step 2: Convert to fraction form
    139,253.49/192,070.56 = 127,805.34/x
  3. Step 3: Cross multiply
    139,253.49x = 192,070.56 × 127,805.34
  4. Step 4: Simplify right side
    139,253.49x = 24,547,643,224.79
  5. Step 5: Solve for x
    x = 24,547,643,224.79/139,253.49
  6. Step 6: Final answer
    x = 176,280.27

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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.