Home / 211,816.87-292,312.37-116,325.62

Finding the Fourth Proportional to 211,816.87, 292,312.37 and 116,325.62

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Solution

The fourth proportional to 211,816.87, 292,312.37 and 116,325.62 is: 160,532.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,816.87 : 292,312.37 = 116,325.62 : x
  2. Step 2: Convert to fraction form
    211,816.87/292,312.37 = 116,325.62/x
  3. Step 3: Cross multiply
    211,816.87x = 292,312.37 × 116,325.62
  4. Step 4: Simplify right side
    211,816.87x = 34,003,417,272.18
  5. Step 5: Solve for x
    x = 34,003,417,272.18/211,816.87
  6. Step 6: Final answer
    x = 160,532.15

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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.