Home / 127,571.40-176,044.32-70,981.56

Finding the Fourth Proportional to 127,571.40, 176,044.32 and 70,981.56

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Solution

The fourth proportional to 127,571.40, 176,044.32 and 70,981.56 is: 97,952.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,571.40 : 176,044.32 = 70,981.56 : x
  2. Step 2: Convert to fraction form
    127,571.40/176,044.32 = 70,981.56/x
  3. Step 3: Cross multiply
    127,571.40x = 176,044.32 × 70,981.56
  4. Step 4: Simplify right side
    127,571.40x = 12,495,900,462.74
  5. Step 5: Solve for x
    x = 12,495,900,462.74/127,571.40
  6. Step 6: Final answer
    x = 97,952.21

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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.