Home / 127,307.40-190,981.74-43,072.68

Finding the Fourth Proportional to 127,307.40, 190,981.74 and 43,072.68

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Solution

The fourth proportional to 127,307.40, 190,981.74 and 43,072.68 is: 64,616.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,307.40 : 190,981.74 = 43,072.68 : x
  2. Step 2: Convert to fraction form
    127,307.40/190,981.74 = 43,072.68/x
  3. Step 3: Cross multiply
    127,307.40x = 190,981.74 × 43,072.68
  4. Step 4: Simplify right side
    127,307.40x = 8,226,095,372.86
  5. Step 5: Solve for x
    x = 8,226,095,372.86/127,307.40
  6. Step 6: Final answer
    x = 64,616.00

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1.5x scale

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.