Home / 219,332.38-328,931.58-92,970.25

Finding the Fourth Proportional to 219,332.38, 328,931.58 and 92,970.25

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Solution

The fourth proportional to 219,332.38, 328,931.58 and 92,970.25 is: 139,426.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,332.38 : 328,931.58 = 92,970.25 : x
  2. Step 2: Convert to fraction form
    219,332.38/328,931.58 = 92,970.25/x
  3. Step 3: Cross multiply
    219,332.38x = 328,931.58 × 92,970.25
  4. Step 4: Simplify right side
    219,332.38x = 30,580,851,225.50
  5. Step 5: Solve for x
    x = 30,580,851,225.50/219,332.38
  6. Step 6: Final answer
    x = 139,426.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.