Home / 153,084.93-211,240.67-85,104.83

Finding the Fourth Proportional to 153,084.93, 211,240.67 and 85,104.83

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Solution

The fourth proportional to 153,084.93, 211,240.67 and 85,104.83 is: 117,435.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,084.93 : 211,240.67 = 85,104.83 : x
  2. Step 2: Convert to fraction form
    153,084.93/211,240.67 = 85,104.83/x
  3. Step 3: Cross multiply
    153,084.93x = 211,240.67 × 85,104.83
  4. Step 4: Simplify right side
    153,084.93x = 17,977,599,827.71
  5. Step 5: Solve for x
    x = 17,977,599,827.71/153,084.93
  6. Step 6: Final answer
    x = 117,435.46

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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.