Home / 190,985.80-286,521.90-112,059.40

Finding the Fourth Proportional to 190,985.80, 286,521.90 and 112,059.40

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Solution

The fourth proportional to 190,985.80, 286,521.90 and 112,059.40 is: 168,114.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,985.80 : 286,521.90 = 112,059.40 : x
  2. Step 2: Convert to fraction form
    190,985.80/286,521.90 = 112,059.40/x
  3. Step 3: Cross multiply
    190,985.80x = 286,521.90 × 112,059.40
  4. Step 4: Simplify right side
    190,985.80x = 32,107,472,200.86
  5. Step 5: Solve for x
    x = 32,107,472,200.86/190,985.80
  6. Step 6: Final answer
    x = 168,114.45

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1.5x scale

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.