Home / 212,436.16-293,168.04-115,646.30

Finding the Fourth Proportional to 212,436.16, 293,168.04 and 115,646.30

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Solution

The fourth proportional to 212,436.16, 293,168.04 and 115,646.30 is: 159,595.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,436.16 : 293,168.04 = 115,646.30 : x
  2. Step 2: Convert to fraction form
    212,436.16/293,168.04 = 115,646.30/x
  3. Step 3: Cross multiply
    212,436.16x = 293,168.04 × 115,646.30
  4. Step 4: Simplify right side
    212,436.16x = 33,903,799,104.25
  5. Step 5: Solve for x
    x = 33,903,799,104.25/212,436.16
  6. Step 6: Final answer
    x = 159,595.24

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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.