Home / 147,746.72-221,618.64-36,938.72

Finding the Fourth Proportional to 147,746.72, 221,618.64 and 36,938.72

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Solution

The fourth proportional to 147,746.72, 221,618.64 and 36,938.72 is: 55,407.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,746.72 : 221,618.64 = 36,938.72 : x
  2. Step 2: Convert to fraction form
    147,746.72/221,618.64 = 36,938.72/x
  3. Step 3: Cross multiply
    147,746.72x = 221,618.64 × 36,938.72
  4. Step 4: Simplify right side
    147,746.72x = 8,186,308,889.74
  5. Step 5: Solve for x
    x = 8,186,308,889.74/147,746.72
  6. Step 6: Final answer
    x = 55,407.72

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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.