Home / 346,931.16-478,758.78-196,024.92

Finding the Fourth Proportional to 346,931.16, 478,758.78 and 196,024.92

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Solution

The fourth proportional to 346,931.16, 478,758.78 and 196,024.92 is: 270,510.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,931.16 : 478,758.78 = 196,024.92 : x
  2. Step 2: Convert to fraction form
    346,931.16/478,758.78 = 196,024.92/x
  3. Step 3: Cross multiply
    346,931.16x = 478,758.78 × 196,024.92
  4. Step 4: Simplify right side
    346,931.16x = 93,848,651,548.80
  5. Step 5: Solve for x
    x = 93,848,651,548.80/346,931.16
  6. Step 6: Final answer
    x = 270,510.87

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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.