Home / 260,931.34-390,834.60-176,225.74

Finding the Fourth Proportional to 260,931.34, 390,834.60 and 176,225.74

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Solution

The fourth proportional to 260,931.34, 390,834.60 and 176,225.74 is: 263,958.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,931.34 : 390,834.60 = 176,225.74 : x
  2. Step 2: Convert to fraction form
    260,931.34/390,834.60 = 176,225.74/x
  3. Step 3: Cross multiply
    260,931.34x = 390,834.60 × 176,225.74
  4. Step 4: Simplify right side
    260,931.34x = 68,875,116,602.60
  5. Step 5: Solve for x
    x = 68,875,116,602.60/260,931.34
  6. Step 6: Final answer
    x = 263,958.77

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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.