Home / 219,267.04-302,556.14-128,588.74

Finding the Fourth Proportional to 219,267.04, 302,556.14 and 128,588.74

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Solution

The fourth proportional to 219,267.04, 302,556.14 and 128,588.74 is: 177,433.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,267.04 : 302,556.14 = 128,588.74 : x
  2. Step 2: Convert to fraction form
    219,267.04/302,556.14 = 128,588.74/x
  3. Step 3: Cross multiply
    219,267.04x = 302,556.14 × 128,588.74
  4. Step 4: Simplify right side
    219,267.04x = 38,905,312,821.86
  5. Step 5: Solve for x
    x = 38,905,312,821.86/219,267.04
  6. Step 6: Final answer
    x = 177,433.47

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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.