Home / 197,303.01-272,304.81-111,279.66

Finding the Fourth Proportional to 197,303.01, 272,304.81 and 111,279.66

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Solution

The fourth proportional to 197,303.01, 272,304.81 and 111,279.66 is: 153,580.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,303.01 : 272,304.81 = 111,279.66 : x
  2. Step 2: Convert to fraction form
    197,303.01/272,304.81 = 111,279.66/x
  3. Step 3: Cross multiply
    197,303.01x = 272,304.81 × 111,279.66
  4. Step 4: Simplify right side
    197,303.01x = 30,301,986,673.16
  5. Step 5: Solve for x
    x = 30,301,986,673.16/197,303.01
  6. Step 6: Final answer
    x = 153,580.96

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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.