Home / 219,543.48-302,976-124,048.26

Finding the Fourth Proportional to 219,543.48, 302,976 and 124,048.26

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Solution

The fourth proportional to 219,543.48, 302,976 and 124,048.26 is: 171,189.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,543.48 : 302,976 = 124,048.26 : x
  2. Step 2: Convert to fraction form
    219,543.48/302,976 = 124,048.26/x
  3. Step 3: Cross multiply
    219,543.48x = 302,976 × 124,048.26
  4. Step 4: Simplify right side
    219,543.48x = 37,583,645,621.76
  5. Step 5: Solve for x
    x = 37,583,645,621.76/219,543.48
  6. Step 6: Final answer
    x = 171,189.99

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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.