Home / 124,328.58-186,548-65,150.18

Finding the Fourth Proportional to 124,328.58, 186,548 and 65,150.18

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Solution

The fourth proportional to 124,328.58, 186,548 and 65,150.18 is: 97,754.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,328.58 : 186,548 = 65,150.18 : x
  2. Step 2: Convert to fraction form
    124,328.58/186,548 = 65,150.18/x
  3. Step 3: Cross multiply
    124,328.58x = 186,548 × 65,150.18
  4. Step 4: Simplify right side
    124,328.58x = 12,153,635,778.64
  5. Step 5: Solve for x
    x = 12,153,635,778.64/124,328.58
  6. Step 6: Final answer
    x = 97,754.16

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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.