Home / 209,095.77-288,552.87-118,468.52

Finding the Fourth Proportional to 209,095.77, 288,552.87 and 118,468.52

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Solution

The fourth proportional to 209,095.77, 288,552.87 and 118,468.52 is: 163,486.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,095.77 : 288,552.87 = 118,468.52 : x
  2. Step 2: Convert to fraction form
    209,095.77/288,552.87 = 118,468.52/x
  3. Step 3: Cross multiply
    209,095.77x = 288,552.87 × 118,468.52
  4. Step 4: Simplify right side
    209,095.77x = 34,184,429,415.55
  5. Step 5: Solve for x
    x = 34,184,429,415.55/209,095.77
  6. Step 6: Final answer
    x = 163,486.95

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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.