Home / 219,511.56-302,925.96-118,909.56

Finding the Fourth Proportional to 219,511.56, 302,925.96 and 118,909.56

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Solution

The fourth proportional to 219,511.56, 302,925.96 and 118,909.56 is: 164,095.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,511.56 : 302,925.96 = 118,909.56 : x
  2. Step 2: Convert to fraction form
    219,511.56/302,925.96 = 118,909.56/x
  3. Step 3: Cross multiply
    219,511.56x = 302,925.96 × 118,909.56
  4. Step 4: Simplify right side
    219,511.56x = 36,020,792,616.18
  5. Step 5: Solve for x
    x = 36,020,792,616.18/219,511.56
  6. Step 6: Final answer
    x = 164,095.20

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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.