Home / 190,095.12-262,289.28-113,602.74

Finding the Fourth Proportional to 190,095.12, 262,289.28 and 113,602.74

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Solution

The fourth proportional to 190,095.12, 262,289.28 and 113,602.74 is: 156,746.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,095.12 : 262,289.28 = 113,602.74 : x
  2. Step 2: Convert to fraction form
    190,095.12/262,289.28 = 113,602.74/x
  3. Step 3: Cross multiply
    190,095.12x = 262,289.28 × 113,602.74
  4. Step 4: Simplify right side
    190,095.12x = 29,796,780,880.63
  5. Step 5: Solve for x
    x = 29,796,780,880.63/190,095.12
  6. Step 6: Final answer
    x = 156,746.69

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1.5x scale

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.