Home / 127,225.57-190,547.70-60,712.42

Finding the Fourth Proportional to 127,225.57, 190,547.70 and 60,712.42

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Solution

The fourth proportional to 127,225.57, 190,547.70 and 60,712.42 is: 90,929.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,225.57 : 190,547.70 = 60,712.42 : x
  2. Step 2: Convert to fraction form
    127,225.57/190,547.70 = 60,712.42/x
  3. Step 3: Cross multiply
    127,225.57x = 190,547.70 × 60,712.42
  4. Step 4: Simplify right side
    127,225.57x = 11,568,611,688.87
  5. Step 5: Solve for x
    x = 11,568,611,688.87/127,225.57
  6. Step 6: Final answer
    x = 90,929.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.