Home / 156,823.32-216,368.51-88,829.49

Finding the Fourth Proportional to 156,823.32, 216,368.51 and 88,829.49

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Solution

The fourth proportional to 156,823.32, 216,368.51 and 88,829.49 is: 122,557.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,823.32 : 216,368.51 = 88,829.49 : x
  2. Step 2: Convert to fraction form
    156,823.32/216,368.51 = 88,829.49/x
  3. Step 3: Cross multiply
    156,823.32x = 216,368.51 × 88,829.49
  4. Step 4: Simplify right side
    156,823.32x = 19,219,903,951.21
  5. Step 5: Solve for x
    x = 19,219,903,951.21/156,823.32
  6. Step 6: Final answer
    x = 122,557.69

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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.