Home / 127,852.32-176,437.02-71,267.28

Finding the Fourth Proportional to 127,852.32, 176,437.02 and 71,267.28

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Solution

The fourth proportional to 127,852.32, 176,437.02 and 71,267.28 is: 98,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,852.32 : 176,437.02 = 71,267.28 : x
  2. Step 2: Convert to fraction form
    127,852.32/176,437.02 = 71,267.28/x
  3. Step 3: Cross multiply
    127,852.32x = 176,437.02 × 71,267.28
  4. Step 4: Simplify right side
    127,852.32x = 12,574,186,506.71
  5. Step 5: Solve for x
    x = 12,574,186,506.71/127,852.32
  6. Step 6: Final answer
    x = 98,349.30

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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.