Home / 127,411.03-190,041.53-110,639.17

Finding the Fourth Proportional to 127,411.03, 190,041.53 and 110,639.17

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Solution

The fourth proportional to 127,411.03, 190,041.53 and 110,639.17 is: 165,025.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,411.03 : 190,041.53 = 110,639.17 : x
  2. Step 2: Convert to fraction form
    127,411.03/190,041.53 = 110,639.17/x
  3. Step 3: Cross multiply
    127,411.03x = 190,041.53 × 110,639.17
  4. Step 4: Simplify right side
    127,411.03x = 21,026,037,144.73
  5. Step 5: Solve for x
    x = 21,026,037,144.73/127,411.03
  6. Step 6: Final answer
    x = 165,025.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.