Home / 219,349.77-302,702.65-122,553.64

Finding the Fourth Proportional to 219,349.77, 302,702.65 and 122,553.64

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Solution

The fourth proportional to 219,349.77, 302,702.65 and 122,553.64 is: 169,124.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,349.77 : 302,702.65 = 122,553.64 : x
  2. Step 2: Convert to fraction form
    219,349.77/302,702.65 = 122,553.64/x
  3. Step 3: Cross multiply
    219,349.77x = 302,702.65 × 122,553.64
  4. Step 4: Simplify right side
    219,349.77x = 37,097,311,595.15
  5. Step 5: Solve for x
    x = 37,097,311,595.15/219,349.77
  6. Step 6: Final answer
    x = 169,124.00

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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.