Home / 157,099.18-216,800.75-85,483.13

Finding the Fourth Proportional to 157,099.18, 216,800.75 and 85,483.13

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Solution

The fourth proportional to 157,099.18, 216,800.75 and 85,483.13 is: 117,968.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,099.18 : 216,800.75 = 85,483.13 : x
  2. Step 2: Convert to fraction form
    157,099.18/216,800.75 = 85,483.13/x
  3. Step 3: Cross multiply
    157,099.18x = 216,800.75 × 85,483.13
  4. Step 4: Simplify right side
    157,099.18x = 18,532,806,696.35
  5. Step 5: Solve for x
    x = 18,532,806,696.35/157,099.18
  6. Step 6: Final answer
    x = 117,968.83

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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.