Home / 153,041.55-211,136.61-88,498.86

Finding the Fourth Proportional to 153,041.55, 211,136.61 and 88,498.86

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Solution

The fourth proportional to 153,041.55, 211,136.61 and 88,498.86 is: 122,093.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,041.55 : 211,136.61 = 88,498.86 : x
  2. Step 2: Convert to fraction form
    153,041.55/211,136.61 = 88,498.86/x
  3. Step 3: Cross multiply
    153,041.55x = 211,136.61 × 88,498.86
  4. Step 4: Simplify right side
    153,041.55x = 18,685,349,289.26
  5. Step 5: Solve for x
    x = 18,685,349,289.26/153,041.55
  6. Step 6: Final answer
    x = 122,093.31

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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.