Home / 302,541.12-453,807.51-103,000.67

Finding the Fourth Proportional to 302,541.12, 453,807.51 and 103,000.67

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Solution

The fourth proportional to 302,541.12, 453,807.51 and 103,000.67 is: 154,499.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,541.12 : 453,807.51 = 103,000.67 : x
  2. Step 2: Convert to fraction form
    302,541.12/453,807.51 = 103,000.67/x
  3. Step 3: Cross multiply
    302,541.12x = 453,807.51 × 103,000.67
  4. Step 4: Simplify right side
    302,541.12x = 46,742,475,311.99
  5. Step 5: Solve for x
    x = 46,742,475,311.99/302,541.12
  6. Step 6: Final answer
    x = 154,499.58

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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.