Home / 219,511.40-302,925.08-124,018.06

Finding the Fourth Proportional to 219,511.40, 302,925.08 and 124,018.06

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Solution

The fourth proportional to 219,511.40, 302,925.08 and 124,018.06 is: 171,144.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,511.40 : 302,925.08 = 124,018.06 : x
  2. Step 2: Convert to fraction form
    219,511.40/302,925.08 = 124,018.06/x
  3. Step 3: Cross multiply
    219,511.40x = 302,925.08 × 124,018.06
  4. Step 4: Simplify right side
    219,511.40x = 37,568,180,746.94
  5. Step 5: Solve for x
    x = 37,568,180,746.94/219,511.40
  6. Step 6: Final answer
    x = 171,144.55

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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.