Home / 156,984.90-235,477.35-155,508.68

Finding the Fourth Proportional to 156,984.90, 235,477.35 and 155,508.68

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Solution

The fourth proportional to 156,984.90, 235,477.35 and 155,508.68 is: 233,263.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,984.90 : 235,477.35 = 155,508.68 : x
  2. Step 2: Convert to fraction form
    156,984.90/235,477.35 = 155,508.68/x
  3. Step 3: Cross multiply
    156,984.90x = 235,477.35 × 155,508.68
  4. Step 4: Simplify right side
    156,984.90x = 36,618,771,868.40
  5. Step 5: Solve for x
    x = 36,618,771,868.40/156,984.90
  6. Step 6: Final answer
    x = 233,263.02

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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.