Home / 191,981.76-264,928.64-104,763.52

Finding the Fourth Proportional to 191,981.76, 264,928.64 and 104,763.52

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Solution

The fourth proportional to 191,981.76, 264,928.64 and 104,763.52 is: 144,570.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,981.76 : 264,928.64 = 104,763.52 : x
  2. Step 2: Convert to fraction form
    191,981.76/264,928.64 = 104,763.52/x
  3. Step 3: Cross multiply
    191,981.76x = 264,928.64 × 104,763.52
  4. Step 4: Simplify right side
    191,981.76x = 27,754,856,875.21
  5. Step 5: Solve for x
    x = 27,754,856,875.21/191,981.76
  6. Step 6: Final answer
    x = 144,570.28

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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.