Home / 292,718.61-403,929.40-177,981.32

Finding the Fourth Proportional to 292,718.61, 403,929.40 and 177,981.32

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Solution

The fourth proportional to 292,718.61, 403,929.40 and 177,981.32 is: 245,600.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,718.61 : 403,929.40 = 177,981.32 : x
  2. Step 2: Convert to fraction form
    292,718.61/403,929.40 = 177,981.32/x
  3. Step 3: Cross multiply
    292,718.61x = 403,929.40 × 177,981.32
  4. Step 4: Simplify right side
    292,718.61x = 71,891,887,798.81
  5. Step 5: Solve for x
    x = 71,891,887,798.81/292,718.61
  6. Step 6: Final answer
    x = 245,600.67

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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.