Home / 153,070.34-211,239.59-84,162.71

Finding the Fourth Proportional to 153,070.34, 211,239.59 and 84,162.71

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Solution

The fourth proportional to 153,070.34, 211,239.59 and 84,162.71 is: 116,145.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,070.34 : 211,239.59 = 84,162.71 : x
  2. Step 2: Convert to fraction form
    153,070.34/211,239.59 = 84,162.71/x
  3. Step 3: Cross multiply
    153,070.34x = 211,239.59 × 84,162.71
  4. Step 4: Simplify right side
    153,070.34x = 17,778,494,876.68
  5. Step 5: Solve for x
    x = 17,778,494,876.68/153,070.34
  6. Step 6: Final answer
    x = 116,145.92

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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.