Home / 314,880.04-434,518.05-178,895.11

Finding the Fourth Proportional to 314,880.04, 434,518.05 and 178,895.11

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Solution

The fourth proportional to 314,880.04, 434,518.05 and 178,895.11 is: 246,865.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,880.04 : 434,518.05 = 178,895.11 : x
  2. Step 2: Convert to fraction form
    314,880.04/434,518.05 = 178,895.11/x
  3. Step 3: Cross multiply
    314,880.04x = 434,518.05 × 178,895.11
  4. Step 4: Simplify right side
    314,880.04x = 77,733,154,351.74
  5. Step 5: Solve for x
    x = 77,733,154,351.74/314,880.04
  6. Step 6: Final answer
    x = 246,865.93

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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.