Home / 282,460.10-389,793.60-153,397.67

Finding the Fourth Proportional to 282,460.10, 389,793.60 and 153,397.67

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Solution

The fourth proportional to 282,460.10, 389,793.60 and 153,397.67 is: 211,688.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,460.10 : 389,793.60 = 153,397.67 : x
  2. Step 2: Convert to fraction form
    282,460.10/389,793.60 = 153,397.67/x
  3. Step 3: Cross multiply
    282,460.10x = 389,793.60 × 153,397.67
  4. Step 4: Simplify right side
    282,460.10x = 59,793,428,071.94
  5. Step 5: Solve for x
    x = 59,793,428,071.94/282,460.10
  6. Step 6: Final answer
    x = 211,688.05

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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.