Home / 163,547.28-245,320.89-51,228.42

Finding the Fourth Proportional to 163,547.28, 245,320.89 and 51,228.42

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Solution

The fourth proportional to 163,547.28, 245,320.89 and 51,228.42 is: 76,842.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,547.28 : 245,320.89 = 51,228.42 : x
  2. Step 2: Convert to fraction form
    163,547.28/245,320.89 = 51,228.42/x
  3. Step 3: Cross multiply
    163,547.28x = 245,320.89 × 51,228.42
  4. Step 4: Simplify right side
    163,547.28x = 12,567,401,587.69
  5. Step 5: Solve for x
    x = 12,567,401,587.69/163,547.28
  6. Step 6: Final answer
    x = 76,842.62

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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.