Home / 127,674.66-176,184.06-70,302.78

Finding the Fourth Proportional to 127,674.66, 176,184.06 and 70,302.78

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Solution

The fourth proportional to 127,674.66, 176,184.06 and 70,302.78 is: 97,014.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,674.66 : 176,184.06 = 70,302.78 : x
  2. Step 2: Convert to fraction form
    127,674.66/176,184.06 = 70,302.78/x
  3. Step 3: Cross multiply
    127,674.66x = 176,184.06 × 70,302.78
  4. Step 4: Simplify right side
    127,674.66x = 12,386,229,209.69
  5. Step 5: Solve for x
    x = 12,386,229,209.69/127,674.66
  6. Step 6: Final answer
    x = 97,014.00

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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.