Home / 111,236.10-153,120.15-97,064.34

Finding the Fourth Proportional to 111,236.10, 153,120.15 and 97,064.34

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Solution

The fourth proportional to 111,236.10, 153,120.15 and 97,064.34 is: 133,612.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,236.10 : 153,120.15 = 97,064.34 : x
  2. Step 2: Convert to fraction form
    111,236.10/153,120.15 = 97,064.34/x
  3. Step 3: Cross multiply
    111,236.10x = 153,120.15 × 97,064.34
  4. Step 4: Simplify right side
    111,236.10x = 14,862,506,300.45
  5. Step 5: Solve for x
    x = 14,862,506,300.45/111,236.10
  6. Step 6: Final answer
    x = 133,612.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.