Home / 153,611.44-211,988.28-89,943.28

Finding the Fourth Proportional to 153,611.44, 211,988.28 and 89,943.28

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Solution

The fourth proportional to 153,611.44, 211,988.28 and 89,943.28 is: 124,124.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,611.44 : 211,988.28 = 89,943.28 : x
  2. Step 2: Convert to fraction form
    153,611.44/211,988.28 = 89,943.28/x
  3. Step 3: Cross multiply
    153,611.44x = 211,988.28 × 89,943.28
  4. Step 4: Simplify right side
    153,611.44x = 19,066,921,224.76
  5. Step 5: Solve for x
    x = 19,066,921,224.76/153,611.44
  6. Step 6: Final answer
    x = 124,124.36

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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.