Home / 197,507.15-272,559.68-111,484.23

Finding the Fourth Proportional to 197,507.15, 272,559.68 and 111,484.23

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Solution

The fourth proportional to 197,507.15, 272,559.68 and 111,484.23 is: 153,848.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,507.15 : 272,559.68 = 111,484.23 : x
  2. Step 2: Convert to fraction form
    197,507.15/272,559.68 = 111,484.23/x
  3. Step 3: Cross multiply
    197,507.15x = 272,559.68 × 111,484.23
  4. Step 4: Simplify right side
    197,507.15x = 30,386,105,496.43
  5. Step 5: Solve for x
    x = 30,386,105,496.43/197,507.15
  6. Step 6: Final answer
    x = 153,848.13

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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.