Home / 346,816.70-520,095.45-136,411.10

Finding the Fourth Proportional to 346,816.70, 520,095.45 and 136,411.10

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Solution

The fourth proportional to 346,816.70, 520,095.45 and 136,411.10 is: 204,565.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,816.70 : 520,095.45 = 136,411.10 : x
  2. Step 2: Convert to fraction form
    346,816.70/520,095.45 = 136,411.10/x
  3. Step 3: Cross multiply
    346,816.70x = 520,095.45 × 136,411.10
  4. Step 4: Simplify right side
    346,816.70x = 70,946,792,439.50
  5. Step 5: Solve for x
    x = 70,946,792,439.50/346,816.70
  6. Step 6: Final answer
    x = 204,565.68

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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.