Home / 340,931.52-470,487.68-190,038.08

Finding the Fourth Proportional to 340,931.52, 470,487.68 and 190,038.08

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Solution

The fourth proportional to 340,931.52, 470,487.68 and 190,038.08 is: 262,253.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,931.52 : 470,487.68 = 190,038.08 : x
  2. Step 2: Convert to fraction form
    340,931.52/470,487.68 = 190,038.08/x
  3. Step 3: Cross multiply
    340,931.52x = 470,487.68 × 190,038.08
  4. Step 4: Simplify right side
    340,931.52x = 89,410,575,370.85
  5. Step 5: Solve for x
    x = 89,410,575,370.85/340,931.52
  6. Step 6: Final answer
    x = 262,253.77

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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.