Home / 153,166.79-211,148.58-101,397.14

Finding the Fourth Proportional to 153,166.79, 211,148.58 and 101,397.14

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Solution

The fourth proportional to 153,166.79, 211,148.58 and 101,397.14 is: 139,781.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,166.79 : 211,148.58 = 101,397.14 : x
  2. Step 2: Convert to fraction form
    153,166.79/211,148.58 = 101,397.14/x
  3. Step 3: Cross multiply
    153,166.79x = 211,148.58 × 101,397.14
  4. Step 4: Simplify right side
    153,166.79x = 21,409,861,071.32
  5. Step 5: Solve for x
    x = 21,409,861,071.32/153,166.79
  6. Step 6: Final answer
    x = 139,781.36

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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.