Home / 219,386.90-302,783.99-126,250.72

Finding the Fourth Proportional to 219,386.90, 302,783.99 and 126,250.72

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Solution

The fourth proportional to 219,386.90, 302,783.99 and 126,250.72 is: 174,243.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,386.90 : 302,783.99 = 126,250.72 : x
  2. Step 2: Convert to fraction form
    219,386.90/302,783.99 = 126,250.72/x
  3. Step 3: Cross multiply
    219,386.90x = 302,783.99 × 126,250.72
  4. Step 4: Simplify right side
    219,386.90x = 38,226,695,228.05
  5. Step 5: Solve for x
    x = 38,226,695,228.05/219,386.90
  6. Step 6: Final answer
    x = 174,243.29

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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.