Home / 282,557.32-423,802.40-92,970.68

Finding the Fourth Proportional to 282,557.32, 423,802.40 and 92,970.68

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Solution

The fourth proportional to 282,557.32, 423,802.40 and 92,970.68 is: 139,444.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,557.32 : 423,802.40 = 92,970.68 : x
  2. Step 2: Convert to fraction form
    282,557.32/423,802.40 = 92,970.68/x
  3. Step 3: Cross multiply
    282,557.32x = 423,802.40 × 92,970.68
  4. Step 4: Simplify right side
    282,557.32x = 39,401,194,729.77
  5. Step 5: Solve for x
    x = 39,401,194,729.77/282,557.32
  6. Step 6: Final answer
    x = 139,444.96

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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.