Home / 156,824.68-216,411-88,840.26

Finding the Fourth Proportional to 156,824.68, 216,411 and 88,840.26

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Solution

The fourth proportional to 156,824.68, 216,411 and 88,840.26 is: 122,595.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,824.68 : 216,411 = 88,840.26 : x
  2. Step 2: Convert to fraction form
    156,824.68/216,411 = 88,840.26/x
  3. Step 3: Cross multiply
    156,824.68x = 216,411 × 88,840.26
  4. Step 4: Simplify right side
    156,824.68x = 19,226,010,318.40
  5. Step 5: Solve for x
    x = 19,226,010,318.40/156,824.68
  6. Step 6: Final answer
    x = 122,595.57

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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.