Home / 319,688.37-441,138.52-176,439.18

Finding the Fourth Proportional to 319,688.37, 441,138.52 and 176,439.18

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Solution

The fourth proportional to 319,688.37, 441,138.52 and 176,439.18 is: 243,468.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,688.37 : 441,138.52 = 176,439.18 : x
  2. Step 2: Convert to fraction form
    319,688.37/441,138.52 = 176,439.18/x
  3. Step 3: Cross multiply
    319,688.37x = 441,138.52 × 176,439.18
  4. Step 4: Simplify right side
    319,688.37x = 77,834,118,128.63
  5. Step 5: Solve for x
    x = 77,834,118,128.63/319,688.37
  6. Step 6: Final answer
    x = 243,468.72

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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.