Home / 119,945.56-166,225-118,254.28

Finding the Fourth Proportional to 119,945.56, 166,225 and 118,254.28

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Solution

The fourth proportional to 119,945.56, 166,225 and 118,254.28 is: 163,881.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,945.56 : 166,225 = 118,254.28 : x
  2. Step 2: Convert to fraction form
    119,945.56/166,225 = 118,254.28/x
  3. Step 3: Cross multiply
    119,945.56x = 166,225 × 118,254.28
  4. Step 4: Simplify right side
    119,945.56x = 19,656,817,693
  5. Step 5: Solve for x
    x = 19,656,817,693/119,945.56
  6. Step 6: Final answer
    x = 163,881.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.