Home / 119,254.56-164,510.64-90,911.04

Finding the Fourth Proportional to 119,254.56, 164,510.64 and 90,911.04

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Solution

The fourth proportional to 119,254.56, 164,510.64 and 90,911.04 is: 125,411.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,254.56 : 164,510.64 = 90,911.04 : x
  2. Step 2: Convert to fraction form
    119,254.56/164,510.64 = 90,911.04/x
  3. Step 3: Cross multiply
    119,254.56x = 164,510.64 × 90,911.04
  4. Step 4: Simplify right side
    119,254.56x = 14,955,833,373.47
  5. Step 5: Solve for x
    x = 14,955,833,373.47/119,254.56
  6. Step 6: Final answer
    x = 125,411.00

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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.