Home / 156,779.10-235,168.65-155,904.30

Finding the Fourth Proportional to 156,779.10, 235,168.65 and 155,904.30

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Solution

The fourth proportional to 156,779.10, 235,168.65 and 155,904.30 is: 233,856.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,779.10 : 235,168.65 = 155,904.30 : x
  2. Step 2: Convert to fraction form
    156,779.10/235,168.65 = 155,904.30/x
  3. Step 3: Cross multiply
    156,779.10x = 235,168.65 × 155,904.30
  4. Step 4: Simplify right side
    156,779.10x = 36,663,803,760.20
  5. Step 5: Solve for x
    x = 36,663,803,760.20/156,779.10
  6. Step 6: Final answer
    x = 233,856.45

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1.5x scale

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.