Home / 156,671.37-216,154.98-88,681.59

Finding the Fourth Proportional to 156,671.37, 216,154.98 and 88,681.59

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Solution

The fourth proportional to 156,671.37, 216,154.98 and 88,681.59 is: 122,351.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,671.37 : 216,154.98 = 88,681.59 : x
  2. Step 2: Convert to fraction form
    156,671.37/216,154.98 = 88,681.59/x
  3. Step 3: Cross multiply
    156,671.37x = 216,154.98 × 88,681.59
  4. Step 4: Simplify right side
    156,671.37x = 19,168,967,312.82
  5. Step 5: Solve for x
    x = 19,168,967,312.82/156,671.37
  6. Step 6: Final answer
    x = 122,351.44

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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.