Home / 291,024.09-401,631.62-176,381.55

Finding the Fourth Proportional to 291,024.09, 401,631.62 and 176,381.55

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Solution

The fourth proportional to 291,024.09, 401,631.62 and 176,381.55 is: 243,417.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,024.09 : 401,631.62 = 176,381.55 : x
  2. Step 2: Convert to fraction form
    291,024.09/401,631.62 = 176,381.55/x
  3. Step 3: Cross multiply
    291,024.09x = 401,631.62 × 176,381.55
  4. Step 4: Simplify right side
    291,024.09x = 70,840,406,782.70
  5. Step 5: Solve for x
    x = 70,840,406,782.70/291,024.09
  6. Step 6: Final answer
    x = 243,417.67

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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.