Home / 147,384.64-221,141.76-53,904.32

Finding the Fourth Proportional to 147,384.64, 221,141.76 and 53,904.32

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Solution

The fourth proportional to 147,384.64, 221,141.76 and 53,904.32 is: 80,880.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,384.64 : 221,141.76 = 53,904.32 : x
  2. Step 2: Convert to fraction form
    147,384.64/221,141.76 = 53,904.32/x
  3. Step 3: Cross multiply
    147,384.64x = 221,141.76 × 53,904.32
  4. Step 4: Simplify right side
    147,384.64x = 11,920,496,196.40
  5. Step 5: Solve for x
    x = 11,920,496,196.40/147,384.64
  6. Step 6: Final answer
    x = 80,880.18

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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.