Home / 212,416.16-293,162.29-127,538.69

Finding the Fourth Proportional to 212,416.16, 293,162.29 and 127,538.69

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Solution

The fourth proportional to 212,416.16, 293,162.29 and 127,538.69 is: 176,020.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,416.16 : 293,162.29 = 127,538.69 : x
  2. Step 2: Convert to fraction form
    212,416.16/293,162.29 = 127,538.69/x
  3. Step 3: Cross multiply
    212,416.16x = 293,162.29 × 127,538.69
  4. Step 4: Simplify right side
    212,416.16x = 37,389,532,639.34
  5. Step 5: Solve for x
    x = 37,389,532,639.34/212,416.16
  6. Step 6: Final answer
    x = 176,020.19

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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.