Home / 190,929.40-286,394.10-160,516.60

Finding the Fourth Proportional to 190,929.40, 286,394.10 and 160,516.60

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Solution

The fourth proportional to 190,929.40, 286,394.10 and 160,516.60 is: 240,774.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,929.40 : 286,394.10 = 160,516.60 : x
  2. Step 2: Convert to fraction form
    190,929.40/286,394.10 = 160,516.60/x
  3. Step 3: Cross multiply
    190,929.40x = 286,394.10 × 160,516.60
  4. Step 4: Simplify right side
    190,929.40x = 45,971,007,192.06
  5. Step 5: Solve for x
    x = 45,971,007,192.06/190,929.40
  6. Step 6: Final answer
    x = 240,774.90

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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.