Home / 219,212.10-302,482.35-122,404.14

Finding the Fourth Proportional to 219,212.10, 302,482.35 and 122,404.14

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Solution

The fourth proportional to 219,212.10, 302,482.35 and 122,404.14 is: 168,900.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,212.10 : 302,482.35 = 122,404.14 : x
  2. Step 2: Convert to fraction form
    219,212.10/302,482.35 = 122,404.14/x
  3. Step 3: Cross multiply
    219,212.10x = 302,482.35 × 122,404.14
  4. Step 4: Simplify right side
    219,212.10x = 37,025,091,916.93
  5. Step 5: Solve for x
    x = 37,025,091,916.93/219,212.10
  6. Step 6: Final answer
    x = 168,900.77

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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.