Home / 110,985.90-153,131.01-63,238.23

Finding the Fourth Proportional to 110,985.90, 153,131.01 and 63,238.23

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Solution

The fourth proportional to 110,985.90, 153,131.01 and 63,238.23 is: 87,251.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,985.90 : 153,131.01 = 63,238.23 : x
  2. Step 2: Convert to fraction form
    110,985.90/153,131.01 = 63,238.23/x
  3. Step 3: Cross multiply
    110,985.90x = 153,131.01 × 63,238.23
  4. Step 4: Simplify right side
    110,985.90x = 9,683,734,030.51
  5. Step 5: Solve for x
    x = 9,683,734,030.51/110,985.90
  6. Step 6: Final answer
    x = 87,251.93

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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.