Home / 130,672.10-195,806.55-97,235.30

Finding the Fourth Proportional to 130,672.10, 195,806.55 and 97,235.30

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Solution

The fourth proportional to 130,672.10, 195,806.55 and 97,235.30 is: 145,702.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,672.10 : 195,806.55 = 97,235.30 : x
  2. Step 2: Convert to fraction form
    130,672.10/195,806.55 = 97,235.30/x
  3. Step 3: Cross multiply
    130,672.10x = 195,806.55 × 97,235.30
  4. Step 4: Simplify right side
    130,672.10x = 19,039,308,631.22
  5. Step 5: Solve for x
    x = 19,039,308,631.22/130,672.10
  6. Step 6: Final answer
    x = 145,702.94

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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.