Home / 123,296.06-170,148.63-85,592.18

Finding the Fourth Proportional to 123,296.06, 170,148.63 and 85,592.18

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Solution

The fourth proportional to 123,296.06, 170,148.63 and 85,592.18 is: 118,117.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,296.06 : 170,148.63 = 85,592.18 : x
  2. Step 2: Convert to fraction form
    123,296.06/170,148.63 = 85,592.18/x
  3. Step 3: Cross multiply
    123,296.06x = 170,148.63 × 85,592.18
  4. Step 4: Simplify right side
    123,296.06x = 14,563,392,165.71
  5. Step 5: Solve for x
    x = 14,563,392,165.71/123,296.06
  6. Step 6: Final answer
    x = 118,117.26

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1.5x scale

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.