Home / 212,153.93-292,773.47-116,666.81

Finding the Fourth Proportional to 212,153.93, 292,773.47 and 116,666.81

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Solution

The fourth proportional to 212,153.93, 292,773.47 and 116,666.81 is: 161,000.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,153.93 : 292,773.47 = 116,666.81 : x
  2. Step 2: Convert to fraction form
    212,153.93/292,773.47 = 116,666.81/x
  3. Step 3: Cross multiply
    212,153.93x = 292,773.47 × 116,666.81
  4. Step 4: Simplify right side
    212,153.93x = 34,156,946,214.20
  5. Step 5: Solve for x
    x = 34,156,946,214.20/212,153.93
  6. Step 6: Final answer
    x = 161,000.77

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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.