Home / 346,587.47-478,236.78-195,681.23

Finding the Fourth Proportional to 346,587.47, 478,236.78 and 195,681.23

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Solution

The fourth proportional to 346,587.47, 478,236.78 and 195,681.23 is: 270,009.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,587.47 : 478,236.78 = 195,681.23 : x
  2. Step 2: Convert to fraction form
    346,587.47/478,236.78 = 195,681.23/x
  3. Step 3: Cross multiply
    346,587.47x = 478,236.78 × 195,681.23
  4. Step 4: Simplify right side
    346,587.47x = 93,581,961,341.64
  5. Step 5: Solve for x
    x = 93,581,961,341.64/346,587.47
  6. Step 6: Final answer
    x = 270,009.65

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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.