Home / 127,798.85-176,363.60-70,440.23

Finding the Fourth Proportional to 127,798.85, 176,363.60 and 70,440.23

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Solution

The fourth proportional to 127,798.85, 176,363.60 and 70,440.23 is: 97,208.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,798.85 : 176,363.60 = 70,440.23 : x
  2. Step 2: Convert to fraction form
    127,798.85/176,363.60 = 70,440.23/x
  3. Step 3: Cross multiply
    127,798.85x = 176,363.60 × 70,440.23
  4. Step 4: Simplify right side
    127,798.85x = 12,423,091,313.61
  5. Step 5: Solve for x
    x = 12,423,091,313.61/127,798.85
  6. Step 6: Final answer
    x = 97,208.17

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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.