Home / 119,041.21-178,490.20-55,875.18

Finding the Fourth Proportional to 119,041.21, 178,490.20 and 55,875.18

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Solution

The fourth proportional to 119,041.21, 178,490.20 and 55,875.18 is: 83,779.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,041.21 : 178,490.20 = 55,875.18 : x
  2. Step 2: Convert to fraction form
    119,041.21/178,490.20 = 55,875.18/x
  3. Step 3: Cross multiply
    119,041.21x = 178,490.20 × 55,875.18
  4. Step 4: Simplify right side
    119,041.21x = 9,973,172,053.24
  5. Step 5: Solve for x
    x = 9,973,172,053.24/119,041.21
  6. Step 6: Final answer
    x = 83,779.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.