Home / 112,000.30-154,560.35-61,699.30

Finding the Fourth Proportional to 112,000.30, 154,560.35 and 61,699.30

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Solution

The fourth proportional to 112,000.30, 154,560.35 and 61,699.30 is: 85,145.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,000.30 : 154,560.35 = 61,699.30 : x
  2. Step 2: Convert to fraction form
    112,000.30/154,560.35 = 61,699.30/x
  3. Step 3: Cross multiply
    112,000.30x = 154,560.35 × 61,699.30
  4. Step 4: Simplify right side
    112,000.30x = 9,536,265,094.26
  5. Step 5: Solve for x
    x = 9,536,265,094.26/112,000.30
  6. Step 6: Final answer
    x = 85,145.00

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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.