Home / 152,897.19-211,029.18-88,369.20

Finding the Fourth Proportional to 152,897.19, 211,029.18 and 88,369.20

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Solution

The fourth proportional to 152,897.19, 211,029.18 and 88,369.20 is: 121,967.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,897.19 : 211,029.18 = 88,369.20 : x
  2. Step 2: Convert to fraction form
    152,897.19/211,029.18 = 88,369.20/x
  3. Step 3: Cross multiply
    152,897.19x = 211,029.18 × 88,369.20
  4. Step 4: Simplify right side
    152,897.19x = 18,648,479,813.26
  5. Step 5: Solve for x
    x = 18,648,479,813.26/152,897.19
  6. Step 6: Final answer
    x = 121,967.45

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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.