Home / 340,400.58-469,681.64-197,152.08

Finding the Fourth Proportional to 340,400.58, 469,681.64 and 197,152.08

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Solution

The fourth proportional to 340,400.58, 469,681.64 and 197,152.08 is: 272,028.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,400.58 : 469,681.64 = 197,152.08 : x
  2. Step 2: Convert to fraction form
    340,400.58/469,681.64 = 197,152.08/x
  3. Step 3: Cross multiply
    340,400.58x = 469,681.64 × 197,152.08
  4. Step 4: Simplify right side
    340,400.58x = 92,598,712,263.81
  5. Step 5: Solve for x
    x = 92,598,712,263.81/340,400.58
  6. Step 6: Final answer
    x = 272,028.66

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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.