Home / 153,030.65-211,177.24-84,120.34

Finding the Fourth Proportional to 153,030.65, 211,177.24 and 84,120.34

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Solution

The fourth proportional to 153,030.65, 211,177.24 and 84,120.34 is: 116,083.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,030.65 : 211,177.24 = 84,120.34 : x
  2. Step 2: Convert to fraction form
    153,030.65/211,177.24 = 84,120.34/x
  3. Step 3: Cross multiply
    153,030.65x = 211,177.24 × 84,120.34
  4. Step 4: Simplify right side
    153,030.65x = 17,764,301,229.06
  5. Step 5: Solve for x
    x = 17,764,301,229.06/153,030.65
  6. Step 6: Final answer
    x = 116,083.29

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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.