Home / 156,587.32-216,075.90-88,610.50

Finding the Fourth Proportional to 156,587.32, 216,075.90 and 88,610.50

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Solution

The fourth proportional to 156,587.32, 216,075.90 and 88,610.50 is: 122,274.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,587.32 : 216,075.90 = 88,610.50 : x
  2. Step 2: Convert to fraction form
    156,587.32/216,075.90 = 88,610.50/x
  3. Step 3: Cross multiply
    156,587.32x = 216,075.90 × 88,610.50
  4. Step 4: Simplify right side
    156,587.32x = 19,146,593,536.95
  5. Step 5: Solve for x
    x = 19,146,593,536.95/156,587.32
  6. Step 6: Final answer
    x = 122,274.23

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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.