Home / 153,341.48-211,611.20-85,356.98

Finding the Fourth Proportional to 153,341.48, 211,611.20 and 85,356.98

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Solution

The fourth proportional to 153,341.48, 211,611.20 and 85,356.98 is: 117,792.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,341.48 : 211,611.20 = 85,356.98 : x
  2. Step 2: Convert to fraction form
    153,341.48/211,611.20 = 85,356.98/x
  3. Step 3: Cross multiply
    153,341.48x = 211,611.20 × 85,356.98
  4. Step 4: Simplify right side
    153,341.48x = 18,062,492,966.18
  5. Step 5: Solve for x
    x = 18,062,492,966.18/153,341.48
  6. Step 6: Final answer
    x = 117,792.61

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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.