Home / 111,193.10-153,435.02-63,437.25

Finding the Fourth Proportional to 111,193.10, 153,435.02 and 63,437.25

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Solution

The fourth proportional to 111,193.10, 153,435.02 and 63,437.25 is: 87,536.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,193.10 : 153,435.02 = 63,437.25 : x
  2. Step 2: Convert to fraction form
    111,193.10/153,435.02 = 63,437.25/x
  3. Step 3: Cross multiply
    111,193.10x = 153,435.02 × 63,437.25
  4. Step 4: Simplify right side
    111,193.10x = 9,733,495,405.31
  5. Step 5: Solve for x
    x = 9,733,495,405.31/111,193.10
  6. Step 6: Final answer
    x = 87,536.87

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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.