Home / 114,275.13-157,647.34-74,001.86

Finding the Fourth Proportional to 114,275.13, 157,647.34 and 74,001.86

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Solution

The fourth proportional to 114,275.13, 157,647.34 and 74,001.86 is: 102,088.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,275.13 : 157,647.34 = 74,001.86 : x
  2. Step 2: Convert to fraction form
    114,275.13/157,647.34 = 74,001.86/x
  3. Step 3: Cross multiply
    114,275.13x = 157,647.34 × 74,001.86
  4. Step 4: Simplify right side
    114,275.13x = 11,666,196,384.05
  5. Step 5: Solve for x
    x = 11,666,196,384.05/114,275.13
  6. Step 6: Final answer
    x = 102,088.67

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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.