Home / 113,434.80-170,152.20-97,688.40

Finding the Fourth Proportional to 113,434.80, 170,152.20 and 97,688.40

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Solution

The fourth proportional to 113,434.80, 170,152.20 and 97,688.40 is: 146,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,434.80 : 170,152.20 = 97,688.40 : x
  2. Step 2: Convert to fraction form
    113,434.80/170,152.20 = 97,688.40/x
  3. Step 3: Cross multiply
    113,434.80x = 170,152.20 × 97,688.40
  4. Step 4: Simplify right side
    113,434.80x = 16,621,896,174.48
  5. Step 5: Solve for x
    x = 16,621,896,174.48/113,434.80
  6. Step 6: Final answer
    x = 146,532.60

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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.