Home / 156,975.20-235,462.80-97,618.40

Finding the Fourth Proportional to 156,975.20, 235,462.80 and 97,618.40

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Solution

The fourth proportional to 156,975.20, 235,462.80 and 97,618.40 is: 146,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,975.20 : 235,462.80 = 97,618.40 : x
  2. Step 2: Convert to fraction form
    156,975.20/235,462.80 = 97,618.40/x
  3. Step 3: Cross multiply
    156,975.20x = 235,462.80 × 97,618.40
  4. Step 4: Simplify right side
    156,975.20x = 22,985,501,795.52
  5. Step 5: Solve for x
    x = 22,985,501,795.52/156,975.20
  6. Step 6: Final answer
    x = 146,427.60

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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.