Home / 156,521.45-234,680.10-103,051.58

Finding the Fourth Proportional to 156,521.45, 234,680.10 and 103,051.58

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Solution

The fourth proportional to 156,521.45, 234,680.10 and 103,051.58 is: 154,510.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,521.45 : 234,680.10 = 103,051.58 : x
  2. Step 2: Convert to fraction form
    156,521.45/234,680.10 = 103,051.58/x
  3. Step 3: Cross multiply
    156,521.45x = 234,680.10 × 103,051.58
  4. Step 4: Simplify right side
    156,521.45x = 24,184,153,926.16
  5. Step 5: Solve for x
    x = 24,184,153,926.16/156,521.45
  6. Step 6: Final answer
    x = 154,510.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.