Home / 127,875.08-176,477.24-74,159.66

Finding the Fourth Proportional to 127,875.08, 176,477.24 and 74,159.66

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Solution

The fourth proportional to 127,875.08, 176,477.24 and 74,159.66 is: 102,345.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,875.08 : 176,477.24 = 74,159.66 : x
  2. Step 2: Convert to fraction form
    127,875.08/176,477.24 = 74,159.66/x
  3. Step 3: Cross multiply
    127,875.08x = 176,477.24 × 74,159.66
  4. Step 4: Simplify right side
    127,875.08x = 13,087,492,116.14
  5. Step 5: Solve for x
    x = 13,087,492,116.14/127,875.08
  6. Step 6: Final answer
    x = 102,345.92

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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.