Home / 111,032.19-153,181.40-70,738.74

Finding the Fourth Proportional to 111,032.19, 153,181.40 and 70,738.74

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Solution

The fourth proportional to 111,032.19, 153,181.40 and 70,738.74 is: 97,592.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,032.19 : 153,181.40 = 70,738.74 : x
  2. Step 2: Convert to fraction form
    111,032.19/153,181.40 = 70,738.74/x
  3. Step 3: Cross multiply
    111,032.19x = 153,181.40 × 70,738.74
  4. Step 4: Simplify right side
    111,032.19x = 10,835,858,873.74
  5. Step 5: Solve for x
    x = 10,835,858,873.74/111,032.19
  6. Step 6: Final answer
    x = 97,592.05

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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.