Home / 156,869.64-216,479.51-88,899.57

Finding the Fourth Proportional to 156,869.64, 216,479.51 and 88,899.57

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Solution

The fourth proportional to 156,869.64, 216,479.51 and 88,899.57 is: 122,681.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,869.64 : 216,479.51 = 88,899.57 : x
  2. Step 2: Convert to fraction form
    156,869.64/216,479.51 = 88,899.57/x
  3. Step 3: Cross multiply
    156,869.64x = 216,479.51 × 88,899.57
  4. Step 4: Simplify right side
    156,869.64x = 19,244,934,908.31
  5. Step 5: Solve for x
    x = 19,244,934,908.31/156,869.64
  6. Step 6: Final answer
    x = 122,681.07

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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.