Home / 191,472.04-264,237.66-105,440.20

Finding the Fourth Proportional to 191,472.04, 264,237.66 and 105,440.20

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Solution

The fourth proportional to 191,472.04, 264,237.66 and 105,440.20 is: 145,510.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,472.04 : 264,237.66 = 105,440.20 : x
  2. Step 2: Convert to fraction form
    191,472.04/264,237.66 = 105,440.20/x
  3. Step 3: Cross multiply
    191,472.04x = 264,237.66 × 105,440.20
  4. Step 4: Simplify right side
    191,472.04x = 27,861,271,717.93
  5. Step 5: Solve for x
    x = 27,861,271,717.93/191,472.04
  6. Step 6: Final answer
    x = 145,510.91

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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.