Home / 156,938.95-216,576.62-92,411

Finding the Fourth Proportional to 156,938.95, 216,576.62 and 92,411

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Solution

The fourth proportional to 156,938.95, 216,576.62 and 92,411 is: 127,527.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,938.95 : 216,576.62 = 92,411 : x
  2. Step 2: Convert to fraction form
    156,938.95/216,576.62 = 92,411/x
  3. Step 3: Cross multiply
    156,938.95x = 216,576.62 × 92,411
  4. Step 4: Simplify right side
    156,938.95x = 20,014,062,030.82
  5. Step 5: Solve for x
    x = 20,014,062,030.82/156,938.95
  6. Step 6: Final answer
    x = 127,527.69

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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.